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Some times you have a class with concrete methods and you want to declare an interface with all the methods in the class. You may call it backtracking. In this post, I will write about how to do this in Eclipse.
Suppose we have a class called Students that has methods defined in it. We want to generate the interface for it in Eclipse. Simply right click the class name, or simply right click anywhere in the code and select Refactor > Extract interface. A new window will open. Name
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